Research Article

Repair of Osteochondral Defects Using Human Umbilical Cord Wharton’s Jelly-Derived Mesenchymal Stem Cells in a Rabbit Model

Figure 5

Identification of implanted cells by anti-human nuclear protein immunohistological staining. The staining results were negative in groups (a) and (b) and positive in groups (c) and (d) at 12 months after transplantation.
(a)
(b)
(c)
(d)